National Weather Service Forecast for: 8 Miles N Upland CA
Issued by: National Weather Service San Diego, CA
Updated: 12:34 am PDT Aug 20, 2026
 
Overnight

Overnight: Clear, with a low around 67. North wind around 5 mph becoming calm.
Clear
 Thursday

Thursday: Sunny, with a high near 94. Light southwest wind increasing to 5 to 10 mph in the morning.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 66. Calm wind becoming north around 5 mph.
Mostly Clear
 Friday

Friday: Sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 66. West wind around 5 mph becoming calm in the evening.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 92.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 66.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 92.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 65.
Mostly Clear
Lo 67 °F Hi 94 °F Lo 66 °F Hi 92 °F Lo 66 °F Hi 92 °F Lo 66 °F Hi 92 °F Lo 65 °F

 

Overnight
 
 Clear, with a low around 67. North wind around 5 mph becoming calm.
Thursday
 
 Sunny, with a high near 94. Light southwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
 
 Mostly clear, with a low around 66. Calm wind becoming north around 5 mph.
Friday
 
 Sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Friday Night
 
 Mostly clear, with a low around 66. West wind around 5 mph becoming calm in the evening.
Saturday
 
 Sunny, with a high near 92.
Saturday Night
 
 Mostly clear, with a low around 66.
Sunday
 
 Sunny, with a high near 92.
Sunday Night
 
 Mostly clear, with a low around 65.
Monday
 
 Sunny, with a high near 92.
Monday Night
 
 Mostly clear, with a low around 66.
Tuesday
 
 Sunny, with a high near 92.
Tuesday Night
 
 Mostly clear, with a low around 67.
Wednesday
 
 Sunny, with a high near 92.

 

Forecast from NOAA-NWS for 8 Miles N Upland CA.